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Daihatsu

6L6DE-18

Main Engine 4-Stroke · Main Engines (4-Stroke)

Class-certified type (DNV register) · technical data sheet not yet verified​‌⁠‍​‍​‍⁠‍⁠⁠‍​⁠‍​‌​⁠
900 kWPower
6Cylinders
180 mmBore
280 mmStroke
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The Daihatsu 6DE-18 is a medium‑speed, inline‑six, four‑stroke trunk piston main engine delivering up to 815 kW at 900 rpm, designed for compact propulsion applications with flexible fuel use (MDO/HFO).

Specifications

Technical data.reference — unverified

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DC-17 Bore170 mm
DC-17 Stroke270 mm
DE-18 Bore185 mm
DE-18 Stroke280 mm
5DC-17 Max Power440 kW (900 rpm) / 465 kW (720 rpm)
6DC-17 Max Power560 kW (900 rpm) / 610 kW (1000 rpm)
6DE-18 Max Power815 kWe (900 rpm) / 665 kWe (750 rpm)
Pme DC-17 (5-cyl)2.13 MPa
Pme DC-17 (6-cyl)2.21 MPa
Pme DE-182.5 MPa
Piston Speed (DC-17)8.10 m/sec at 900 rpm
Piston Speed (DE-18)8.4 m/sec at 900 rpm; 6.72 m/sec at 720 rpm
Dry Weight 5DC-17Ae10.0-11.0 tons
DC-17 Displacement (5-cyl)~9,700 cc
DC-17 Displacement (6-cyl)~11,600 cc
DE-18 Displacement~18,100 cc
Fuel CompatibilityMDO up to 700 mm²/s/50°C or HFO
Power (kW)900
Speed (rpm)900
Fuel TypeMDO
ConfigurationL
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